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Re: [iovisor-dev] Fwd: Re: Request ELF e_machine number for Linux BPF
- From: Alexei Starovoitov <alexei dot starovoitov at gmail dot com>
- To: Richard Henderson <rth at twiddle dot net>, Brenden Blanco <bblanco at plumgrid dot com>
- Cc: iovisor-dev at lists dot iovisor dot org, systemtap at sourceware dot org
- Date: Mon, 20 Jun 2016 10:32:53 -0700
- Subject: Re: [iovisor-dev] Fwd: Re: Request ELF e_machine number for Linux BPF
- Authentication-results: sourceware.org; auth=none
- References: <21d8cb02-b3a3-be21-adc0-8dab6b437bd2 at xinuos dot com> <b29f3044-123c-006b-5a49-670a0b3bda9e at twiddle dot net>
On Mon, Jun 20, 2016 at 10:17 AM, Richard Henderson via iovisor-dev
<iovisor-dev@lists.iovisor.org> wrote:
> Well, that was quick.
thanks!
> Would someone from the iovisor project like to be the official contact for
> this? Otherwise I'll give them contact details for Red Hat.
can probably put my name or something generic like 'BPF developers'.
and iovisor-dev@lists.iovisor.org as an email.
If you can leave the phone number empty that's the easiest.
Brenden, any suggestions?
> -------- Forwarded Message --------
> Subject: Re: Request ELF e_machine number for Linux BPF
> Date: Mon, 20 Jun 2016 18:15:49 +0200
> From: Michael.Brinke-Engel <mikebren@xinuos.com>
> To: Richard Henderson <rth@redhat.com>, registry@sco.com,
> registry@uxsglobal.com
>
>
>
> Hi RIchard,
>
> Thanks for your request.
>
> The following values for your request will be added to the web document of
> gABI:
>
> EM_BPF 247 Linux BPF â in-kernel virtual machine
>
> Can you please let me have the necessary details for the official contact
> with regard to this entry:
>
> *Contact info for EM_BPF*
>
> * Name ???
> * Phone ???
> * E-mail ???
>
>
> Regards,
>
> Michael Brinke-Engel
>
> ---
>
> Am 16.06.2016 um 22:54 schrieb Richard Henderson:
>
>> The Linux kernel supports a virtual machine derived from the Berkeley
>> Packet
>> Filter (BPF) virtual machine. LLVM has a compiler backend targeting this
>> virtual machine, which produces ELF object files.
>>
>> Currently, the LLVM backend is using EM_NONE, which is less than optimal
>> for
>> the rest of the compiler tool chain.
>>
>> We request an official number for the symbolic name EM_BPF, so as to
>> improve
>> this situation.
>>
>> Thanks,
>>
>>
>> r~
>
>
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